Drawing parallels to historical periods of totalitarianism, historians and experts express deep concern about events in the United States, citing actions like deportations without trials, purges within government agencies, and a climate of fear that discourages dissent. Some are choosing to leave the country or American universities to continue their work freely, emphasizing the historical lesson of acting early when facing potential authoritarianism. The source warns against American exceptionalism, arguing that believing the U.S. is immune to such threats can lead to a normalization of concerning trends, potentially narrowing definitions of freedom until they resemble authoritarianism. It highlights the importance of strengthening democratic institutions like the media, universities, and courts as crucial safeguards against a slide towards authoritarianism, drawing on examples like Poland where a free press helped prevent a full authoritarian shift.